Home / 29,479-40,681.38-16,904.92

Finding the Fourth Proportional to 29,479, 40,681.38 and 16,904.92

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Solution

The fourth proportional to 29,479, 40,681.38 and 16,904.92 is: 23,329.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,479 : 40,681.38 = 16,904.92 : x
  2. Step 2: Convert to fraction form
    29,479/40,681.38 = 16,904.92/x
  3. Step 3: Cross multiply
    29,479x = 40,681.38 × 16,904.92
  4. Step 4: Simplify right side
    29,479x = 687,715,474.39
  5. Step 5: Solve for x
    x = 687,715,474.39/29,479
  6. Step 6: Final answer
    x = 23,329.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.